Recalls for your 1980 Gmc K20

Recalls for 1980 Gmc K20

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DEFECT #1 - SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM


Posted on: 1981-02-12
Description
Fatigue cracks may develop in the brake vacuum booster housing.  This may cause a vacuum leak and reduce the effectiveness of the brakes.  After prolonged use, the cracks may develop to the extent that the booster may separate from the vehicle.

Consequence


Corrective Action
Vehicles will be inspected for fatigue cracks in the brake vacuum booster.  Those without cracks will have a support brace installed.  Those with evidence of cracking will have a new brake vacuum booster and support brace installed.  This service will be provided at no charge.

Notes
Vehicle description: light trucks equipped with vacuum power disc/drum brakes.system: service brakes; vacuum brake booster housing.consequences of defect: separation will result in a loss of braking abilitywithout prior warning and may lead to an accident.  Partial loss of brakingability may also lead to an accident, particularly in situations where minimumstopping distance is required.